Free videos that pose "rich math gems": Fibonacci Mutant Bunnies, Amoeba Squares, Kajitsu, Locker Room Prank, Area and Perimeter of Animals, Ballast Puzzles, and more. Select a grade band for PDF solutions, presentations in PowerPoint and Keynote formats, and other supporting materials. Believing that "we learn best through hard fun," creator Gordon Hamilton serves as resident mathematician at a Calgary school. A board game designer and founding member of the Game Artisans of Canada, Hamilton holds a PhD in Mathematical Biology.